{"id":554134,"date":"2024-11-05T18:02:56","date_gmt":"2024-11-05T18:02:56","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/vdi-4251-part-2\/"},"modified":"2024-11-05T18:02:56","modified_gmt":"2024-11-05T18:02:56","slug":"vdi-4251-part-2","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/din\/vdi-4251-part-2\/","title":{"rendered":"VDI 4251 Part 2"},"content":{"rendered":"<p>The measurement strategy presented in this standard serves for determination of a natural (not influenced by industrial plants) background concentration of bioaerosols. It describes requirements concerning the measurement area, the measurement site, the measurement duration, the measurement frequency as well as analysis and documentation. The meteorological parameters to be assessed during the background measurement are also defined in this standard.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><b>Measurement of airborne microorganisms and viruses in ambient air &#8211; Determination of area-specific background concentrations<\/b><\/p>\n<table style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/din\/\"><b>DIN<\/b><\/a><\/td>\n<td>2015-08<\/td>\n<td>16<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":554151,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[203,2635],"product_tag":[],"class_list":{"0":"post-554134","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-13-040-20","7":"product_cat-din","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/554134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/554151"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=554134"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=554134"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=554134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}